A176402 Decimal expansion of (9+sqrt(87))/3.

6, 1, 0, 9, 1, 2, 6, 3, 5, 1, 0, 2, 9, 6, 0, 5, 0, 1, 5, 1, 8, 4, 8, 2, 5, 1, 8, 0, 7, 7, 3, 5, 1, 8, 9, 9, 4, 4, 2, 5, 4, 1, 3, 5, 6, 4, 7, 3, 0, 5, 5, 1, 5, 5, 7, 0, 1, 8, 7, 3, 2, 4, 3, 2, 8, 1, 5, 5, 9, 4, 8, 4, 9, 6, 0, 2, 4, 1, 6, 5, 5, 9, 4, 7, 1, 4, 0, 6, 8, 5, 4, 3, 0, 3, 9, 6, 0, 6, 7, 2, 0, 0, 1, 4, 9

Offset

1,1

Comments

Continued fraction expansion of (9+sqrt(87))/3 is A010725.

Links

Daniel Starodubtsev, Table of n, a(n) for n = 1..10000

Index entries for algebraic numbers, degree 2.

Formula

Minimal polynomial: 3*x^2 - 18*x - 2. - Amiram Eldar, Mar 31 2026

Example

6.10912635102960501518482518077351899442541356473055...

Mathematica

RealDigits[(9 + Sqrt[87])/3 , 10, 120][[1]] (* Amiram Eldar, Mar 31 2026 *)

Crossrefs

Cf. A010538 (decimal expansion of sqrt(87)), A010725 (repeat 6, 9).

Sequence in context: A262704 A335245 A195402 * A204013 A127573 A397350

Adjacent sequences: A176399 A176400 A176401 * A176403 A176404 A176405

Keyword

cons,nonn

Author

Klaus Brockhaus, Apr 17 2010

Status

approved